package cn.cxj.pay.mapper;

import cn.cxj.basic.mapper.BaseMapper;
import cn.cxj.pay.domain.PayBill;

public interface PayBillMapper extends BaseMapper<PayBill> {
    /**
     * 基于订单号查询支付单号
     * @param orderSn
     * @return
     */
    PayBill queryByOrderSn(String orderSn);
}
